Home / 54,570.95-75,312.29-30,696.20

Finding the Fourth Proportional to 54,570.95, 75,312.29 and 30,696.20

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Solution

The fourth proportional to 54,570.95, 75,312.29 and 30,696.20 is: 42,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570.95 : 75,312.29 = 30,696.20 : x
  2. Step 2: Convert to fraction form
    54,570.95/75,312.29 = 30,696.20/x
  3. Step 3: Cross multiply
    54,570.95x = 75,312.29 × 30,696.20
  4. Step 4: Simplify right side
    54,570.95x = 2,311,800,962.82
  5. Step 5: Solve for x
    x = 2,311,800,962.82/54,570.95
  6. Step 6: Final answer
    x = 42,363.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.